
function delete_visited(id) {
	$.ajax({
		type:'POST',
		url:'delete_visited.php',
		data:"region_id="+id,
		error: function(request, status, error) {
		},
		success:function(response){
		}
	});
	for(var i=0; i<existingMarkers.length; i++) {
		if(existingMarkers[i].get("id") == id) {
			existingMarkers[i].setMap(null);
		}
	}
}